MERCER ISLAND, WASHINGTON

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Elevation: 226 feet Latitude: 47 32N Longitude: 122 18W

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Number of Records: 203,288; Date Range: 1/1/95 - 3/21/16

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WEATHER ALMANAC - SEPTEMBER 12, 2014

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[ °C ] °F

Weather Element	Average	High	Low
Temperature	65.8 ^°F	75 ^°F (2:53 pm)	55.9 ^°F (6:53 am)
Dewpoint	38.2 ^°F	43 ^°F (3:53 am)	30 ^°F (2:53 pm)
Humidity	37.5 ^%	59 ^% (3:53 am)	19 ^% (2:53 pm)
Barometer	30.02 ⁱⁿ	30.11 ⁱⁿ (1:53 am)	29.96 ⁱⁿ (5:53 pm)
Wind Speed	4 ^mph	13.8 ^mph (1:53 pm)
Wind Gust		19.6 ^mph (1:53 pm)

Weather Element	Average
Visibility	10 ^mi
Wind Direction	SSE (144.3 °)

Weather Element	Total
Precipitation	---
Cooling Degree Days	0.5 (Base 65)
Growing Degree Days	15.5 (Base 50)

Averaged from 23 records on September 12, 2014

WEATHER CONDITIONS BREAKOUT

WIND DIRECTION BREAKOUT

WEATHER BY HOUR - SEPTEMBER 12, 2014

[ °C ] °F

Local Time	Temperature	Dewpoint	Humidity	Barometer	Visibility	Wind Direction	Wind Speed	Gust Speed	Conditions
1:53 AM	59.0 ^°F	39.9 ^°F	49 ^%	30.11 ⁱⁿ	10.0 ^mi	Calm			Clear
2:53 AM	57.9 ^°F	39.0 ^°F	49 ^%	30.10 ⁱⁿ	10.0 ^mi	NW (320°)	3.5 ^mph		Clear
3:53 AM	57.0 ^°F	43.0 ^°F	59 ^%	30.10 ⁱⁿ	10.0 ^mi	Calm			Clear
4:53 AM	57.0 ^°F	37.0 ^°F	47 ^%	30.09 ⁱⁿ	10.0 ^mi	Calm			Clear
5:53 AM	57.0 ^°F	37.9 ^°F	49 ^%	30.08 ⁱⁿ	10.0 ^mi	Calm			Clear
6:53 AM	55.9 ^°F	34.0 ^°F	44 ^%	30.08 ⁱⁿ	10.0 ^mi	Calm			Clear
7:53 AM	59.0 ^°F	33.1 ^°F	38 ^%	30.07 ⁱⁿ	10.0 ^mi	Calm			Clear
8:53 AM	62.1 ^°F	34.0 ^°F	35 ^%	30.07 ⁱⁿ		Calm			Clear
9:53 AM	66.0 ^°F	36.0 ^°F	33 ^%	30.06 ⁱⁿ	10.0 ^mi	NW (310°)	4.6 ^mph		Clear
10:53 AM	68.0 ^°F	39.0 ^°F	35 ^%	30.06 ⁱⁿ	10.0 ^mi	Variable	5.8 ^mph		Clear
11:53 AM	71.1 ^°F	37.9 ^°F	30 ^%	30.04 ⁱⁿ	10.0 ^mi	WNW (300°)	9.2 ^mph		Clear
12:53 PM	73.0 ^°F	36.0 ^°F	26 ^%	30.01 ⁱⁿ	10.0 ^mi	NW (310°)	9.2 ^mph	17.3 ^mph	Clear
1:53 PM	73.9 ^°F	37.0 ^°F	26 ^%	30.00 ⁱⁿ	10.0 ^mi	WNW (300°)	13.8 ^mph	19.6 ^mph	Clear
2:53 PM	75.0 ^°F	30.0 ^°F	19 ^%	29.99 ⁱⁿ	10.0 ^mi	NW (310°)	10.4 ^mph	16.1 ^mph	Clear
3:53 PM	73.9 ^°F	39.0 ^°F	28 ^%	29.97 ⁱⁿ	10.0 ^mi	NW (310°)	10.4 ^mph	17.3 ^mph	Clear
4:53 PM	73.0 ^°F	39.0 ^°F	29 ^%	29.97 ⁱⁿ	10.0 ^mi	NW (310°)	6.9 ^mph	17.3 ^mph	Clear
5:53 PM	73.0 ^°F	39.9 ^°F	30 ^%	29.96 ⁱⁿ	10.0 ^mi	WNW (300°)	6.9 ^mph		Clear
6:53 PM	71.1 ^°F	41.0 ^°F	34 ^%	29.96 ⁱⁿ	10.0 ^mi	NW (310°)	4.6 ^mph		Clear
7:53 PM	70.0 ^°F	39.9 ^°F	33 ^%	29.96 ⁱⁿ	10.0 ^mi	Variable	3.5 ^mph		Clear
8:53 PM	66.9 ^°F	42.1 ^°F	40 ^%	29.96 ⁱⁿ	10.0 ^mi	Calm			Clear
9:53 PM	66.0 ^°F	43.0 ^°F	43 ^%	29.96 ⁱⁿ	10.0 ^mi	Calm			Clear
10:53 PM	64.9 ^°F	41.0 ^°F	42 ^%	29.97 ⁱⁿ	10.0 ^mi	WSW (240°)	3.5 ^mph		Clear
11:53 PM	63.0 ^°F	41.0 ^°F	45 ^%	29.98 ⁱⁿ	10.0 ^mi	Calm			Clear

Hourly data recorded from KBFI, located miles away from Mercer Island, Washington